Predicted to contribute to lipid binding activity. Acts upstream of or within myoblast migration involved in skeletal muscle regeneration; regulation of lamellipodium assembly; and skeletal muscle fiber development. Located in actin cytoskeleton. Is expressed in 1st branchial arch mandibular component; 1st branchial arch maxillary component; embryo; limb; and testis. Orthologous to human BIN3 (bridging integrator 3). [provided by Alliance of Genome Resources, Apr 2022]